Certified Information Systems Auditor CISA · Free Practice Question Easy
Question 54
A system that filters incoming power spikes and other noise and supplies power for short periods through a bank of batteries is called a(n):
- A Power distribution unit
- B Generator
- C Dual power feed
- D Uninterruptible power supply (UPS)
Reveal correct answer
Correct answer: D
Explanation
Correct Answer:
Uninterruptible power supply (UPS) is correct.
Incorrect Answers:
All other answers are incorrect. These devices do not filter spikes or noise, and they are part of either a permanent or longer term solution for power than a UPS, which provides power for short periods using batteries.
Discussion
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